/*
- Copyright (C) 2000-2007 Paul Davis
+ Copyright (C) 2000-2007 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef __libpbd_stacktrace_h__
#define __libpbd_stacktrace_h__
+#ifdef HAVE_WAFBUILD
+#include "libpbd-config.h"
+#endif
+
+#include <iostream>
#include <ostream>
+#include <glibmm/threads.h>
+#include <list>
+
+#ifdef HAVE_EXECINFO
+#include <execinfo.h>
+#include <cstdlib>
+#endif
+
+#include "pbd/libpbd_visibility.h"
+
namespace PBD {
- void stacktrace (std::ostream& out, int levels = 0);
-}
+
+ LIBPBD_API void stacktrace (std::ostream& out, int levels = 0);
+ LIBPBD_API void trace_twb();
+
+template<typename T>
+class /*LIBPBD_API*/ thing_with_backtrace
+{
+ public:
+ thing_with_backtrace () {
+ trace_twb();
+#ifdef HAVE_EXECINFO
+ allocation_backtrace = new void*[50];
+ allocation_backtrace_size = backtrace (allocation_backtrace, 50);
+#else
+ allocation_backtrace_size = 0;
+#endif
+ Glib::Threads::Mutex::Lock lm (all_mutex);
+ all.push_back (this);
+ }
+
+ thing_with_backtrace (const thing_with_backtrace<T>& other) {
+ trace_twb();
+#ifdef HAVE_EXECINFO
+ allocation_backtrace = new void*[50];
+ allocation_backtrace_size = backtrace (allocation_backtrace, 50);
+#else
+ allocation_backtrace_size = 0;
+#endif
+ Glib::Threads::Mutex::Lock lm (all_mutex);
+ all.push_back (this);
+ }
+
+ ~thing_with_backtrace() {
+ if (allocation_backtrace_size) {
+ delete [] allocation_backtrace;
+ }
+ Glib::Threads::Mutex::Lock lm (all_mutex);
+ all.remove (this);
+ }
+
+ thing_with_backtrace<T>& operator= (const thing_with_backtrace<T>& other) {
+ /* no copyable members */
+ return *this;
+ }
+
+ static void peek_a_boo (std::ostream& stream) {
+#ifdef HAVE_EXECINFO
+ typename std::list<thing_with_backtrace<T>*>::iterator x;
+ for (x = all.begin(); x != all.end(); ++x) {
+ char **strings;
+ size_t i;
+
+ strings = backtrace_symbols ((*x)->allocation_backtrace, (*x)->allocation_backtrace_size);
+
+ if (strings) {
+ stream << "--- ALLOCATED SHARED_PTR @ " << (*x) << std::endl;
+ for (i = 0; i < (*x)->allocation_backtrace_size && i < 50U; i++) {
+ stream << strings[i] << std::endl;
+ }
+ free (strings);
+ }
+ }
+#else
+ stream << "execinfo not defined for this platform" << std::endl;
+#endif
+ }
+
+private:
+ void** allocation_backtrace;
+ int allocation_backtrace_size;
+ static std::list<thing_with_backtrace<T>* > all;
+ static Glib::Threads::Mutex all_mutex;
+};
+
+template<typename T> /*LIBPBD_API*/ std::list<PBD::thing_with_backtrace<T> *> PBD::thing_with_backtrace<T>::all;
+template<typename T> /*LIBPBD_API*/ Glib::Threads::Mutex PBD::thing_with_backtrace<T>::all_mutex;
+
+} // namespace PBD
#endif /* __libpbd_stacktrace_h__ */